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1 /*
2 *  File:        formulabase.C
3 *  Purpose:     Implementation of common parts of the LyX  math insets
4 *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 *  Created:     January 1996
6 *
7 *  Copyright: 1996-1998 Alejandro Aguilar Sierra
8 *
9 *  Version: 0.4, Lyx project.
10 *
11 *   You are free to use and modify this code under the terms of
12 *   the GNU General Public Licence version 2 or later.
13 */
14
15 #include <config.h>
16 #include <fstream>
17
18 #include "Lsstream.h"
19 #include "support/LAssert.h"
20
21 #ifdef __GNUG__
22 #pragma implementation
23 #endif
24
25 #include "formula.h"
26 #include "formulamacro.h"
27 #include "commandtags.h"
28 #include "math_cursor.h"
29 #include "BufferView.h"
30 #include "lyxtext.h"
31 #include "lyxfunc.h"
32 #include "gettext.h"
33 #include "LaTeXFeatures.h"
34 #include "debug.h"
35 #include "support.h"
36 #include "support/lstrings.h"
37 #include "LyXView.h"
38 #include "Painter.h"
39 #include "font.h"
40 #include "math_arrayinset.h"
41 #include "math_spaceinset.h"
42 #include "math_macrotable.h"
43 #include "math_factory.h"
44 #include "support/lyxlib.h"
45 #include "undo_funcs.h"
46
47 using std::endl;
48 using std::ostream;
49 using std::vector;
50
51 extern char const * latex_mathenv[];
52 MathCursor        * mathcursor = 0;
53
54
55 namespace {
56
57
58 // local global
59 int sel_x;
60 int sel_y;
61 bool sel_flag;
62
63 void handleFont(BufferView * bv, MathTextCodes t) 
64 {
65         if (mathcursor->selection())
66                 bv->lockedInsetStoreUndo(Undo::EDIT);
67         mathcursor->handleFont(t);
68 }
69
70
71 void handleAccent(BufferView * bv, string const & name)
72 {
73         bv->lockedInsetStoreUndo(Undo::EDIT);
74         mathcursor->insert(createMathInset(name));
75 }
76
77
78 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
79 {
80         LyXText * lt = bv->getLyXText();
81         
82         bv->beforeChange(lt);
83         finishUndo();
84         if (!bv->insertInset(new_inset)) {
85                 delete new_inset;
86                 return false;
87         }
88         new_inset->edit(bv, 0, 0, 0);
89         return true;
90 }
91
92
93 // returns the nearest enclosing grid
94 MathArrayInset * matrixpar(MathInset::idx_type & idx)
95 {
96         idx = 0;
97         return mathcursor ? mathcursor->enclosingArray(idx) : 0; 
98 }
99
100
101 } // namespace anon
102
103
104
105 InsetFormulaBase::InsetFormulaBase()
106         : view_(0), font_(), xo_(0), yo_(0)
107 {
108         // This is needed as long the math parser is not re-entrant
109         MathMacroTable::builtinMacros();
110         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
111 }
112
113
114 // Check if uses AMS macros
115 void InsetFormulaBase::validate(LaTeXFeatures &) const
116 {}
117
118
119 void InsetFormulaBase::metrics(BufferView * bv, LyXFont const & f) const 
120 {
121         if (bv)
122                 view_ = bv;
123         font_ = f;
124         MathMetricsInfo mi(view_, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
125         par()->metrics(mi);
126 }
127
128
129 string const InsetFormulaBase::editMessage() const
130 {
131         return _("Math editor mode");
132 }
133
134
135 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
136 {
137         if (!bv->lockInset(this))
138                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
139
140         mathcursor = new MathCursor(this, x == 0);
141         metrics(bv);
142         // if that is removed, we won't get the magenta box when entering an
143         // inset for the first time
144         bv->updateInset(this, false);
145         sel_x = 0;
146         sel_y = 0;
147         sel_flag = false;
148 }
149
150
151 void InsetFormulaBase::edit(BufferView * bv, bool front)
152 {
153         // looks hackish but seems to work
154         edit(bv, front ? 0 : 1, 0, 0);
155 }
156
157
158 void InsetFormulaBase::insetUnlock(BufferView * bv)
159 {
160         if (mathcursor) {
161                 if (mathcursor->inMacroMode()) {
162                         mathcursor->macroModeClose();
163                         updateLocal(bv, true);
164                 }
165                 delete mathcursor;
166                 mathcursor = 0;
167         }
168         bv->updateInset(this, false);
169 }
170
171
172 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
173 {
174         mathcursor->getPos(x, y);
175         x += xo_;
176         y += yo_ - 3;
177         //lyxerr << "getCursorPos: " << x << " " << y << "\n";
178 }
179
180
181 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
182 {
183         if (!mathcursor)
184                 return;
185
186         if (isCursorVisible())
187                 bv->hideLockedInsetCursor();
188         else {
189                 int x;
190                 int y;
191                 mathcursor->getPos(x, y);
192                 y -= 3;
193                 y -= yo_;
194                 int asc = 0;
195                 int des = 0;
196                 MathMetricsInfo mi(bv, font_, LM_ST_TEXT);
197                 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
198                 bv->showLockedInsetCursor(x, y, asc, des);
199                 //lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
200         }
201
202         toggleCursorVisible();
203 }
204
205
206 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
207 {
208         if (!isCursorVisible()) {
209                 if (mathcursor) {
210                         int x;
211                         int y;
212                         mathcursor->getPos(x, y);
213                         int asc = 0;
214                         int des = 0;
215                         MathMetricsInfo mi(bv, font_, LM_ST_TEXT);
216                         math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
217                         bv->fitLockedInsetCursor(x, y, asc, des);
218                         //lyxerr << "showInsetCursor: " << x << " " << y << "\n";
219                 }
220                 toggleInsetCursor(bv);
221         }
222 }
223
224
225 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
226 {
227         if (isCursorVisible())
228                 toggleInsetCursor(bv);
229 }
230
231
232 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
233 {
234         if (mathcursor)
235                 bv->updateInset(this, false);
236 }
237
238
239 vector<string> const InsetFormulaBase::getLabelList() const
240 {
241   return std::vector<string>();
242 }
243
244
245 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
246 {
247         metrics(bv);
248         bv->updateInset(this, dirty);
249 }
250
251
252 void InsetFormulaBase::insetButtonRelease(BufferView * bv,
253                                           int x, int y, int /*button*/)
254 {
255         if (mathcursor) {
256                 hideInsetCursor(bv);
257                 mathcursor->setPos(x + xo_, y + yo_);
258                 //lyxerr << "insetButtonRelease: " << x + xo_ << " " << y + yo_ << "\n";
259                 showInsetCursor(bv);
260                 if (sel_flag) {
261                         sel_flag = false;
262                         sel_x = 0;
263                         sel_y = 0;
264                 }
265                 bv->updateInset(this, false);
266         }
267 }
268
269
270 void InsetFormulaBase::insetButtonPress(BufferView * bv,
271                                         int x, int y, int /*button*/)
272 {
273         sel_flag = false;
274         sel_x = x;
275         sel_y = y;
276         if (mathcursor && mathcursor->selection()) {
277                 mathcursor->selClear();
278                 bv->updateInset(this, false);
279         }
280 }
281
282
283 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
284                                          int x, int y, int /*button*/)
285 {
286         if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
287                 sel_flag = true;
288                 hideInsetCursor(bv);
289                 mathcursor->setPos(sel_x, sel_y);
290                 mathcursor->selStart();
291                 showInsetCursor(bv);
292                 mathcursor->getPos(sel_x, sel_y);
293         } else if (sel_flag) {
294                 hideInsetCursor(bv);
295                 mathcursor->setPos(x, y);
296                 showInsetCursor(bv);
297                 mathcursor->getPos(x, y);
298                 if (sel_x != x || sel_y != y)
299                         bv->updateInset(this, false);
300                 sel_x = x;
301                 sel_y = y;
302         }
303 }
304
305
306 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
307 {
308         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
309 }
310
311
312 UpdatableInset::RESULT
313 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
314                             string const & arg)
315 {
316         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
317         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
318
319         if (!mathcursor) 
320                 return UNDISPATCHED;
321
322         if (mathcursor->asHyperActiveInset()) {
323                 lyxerr << " uurr.... getting dificult now\n";
324                 return mathcursor->asHyperActiveInset()->localDispatch(bv, action, arg);
325         }
326
327         RESULT result      = DISPATCHED;
328         bool sel           = false;
329         bool was_macro     = mathcursor->inMacroMode();
330         bool was_selection = mathcursor->selection();
331
332         hideInsetCursor(bv);
333
334         mathcursor->normalize();
335
336         switch (action) {
337
338                 // --- Cursor Movements ---------------------------------------------
339
340         case LFUN_RIGHTSEL:
341                 sel = true; // fall through...
342
343         case LFUN_RIGHT:
344                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
345                 updateLocal(bv, false);
346                 break;
347
348
349         case LFUN_LEFTSEL:
350                 sel = true; // fall through
351
352         case LFUN_LEFT:
353                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
354                 updateLocal(bv, false);
355                 break;
356
357
358         case LFUN_UPSEL:
359                 sel = true;
360
361         case LFUN_UP:
362                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
363                 updateLocal(bv, false);
364                 break;
365
366
367         case LFUN_DOWNSEL:
368                 sel = true;
369
370         case LFUN_DOWN:
371                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
372                 updateLocal(bv, false);
373                 break;
374
375         case LFUN_HOMESEL:
376                 sel = true;
377
378         case LFUN_HOME:
379                 mathcursor->home(sel);
380                 updateLocal(bv, false);
381                 break;
382
383         case LFUN_ENDSEL:
384                 sel = true;
385
386         case LFUN_END:
387                 mathcursor->end(sel);
388                 updateLocal(bv, false);
389                 break;
390
391         case LFUN_DELETE_LINE_FORWARD:
392                 bv->lockedInsetStoreUndo(Undo::DELETE);
393                 mathcursor->delLine();
394                 updateLocal(bv, true);
395                 break;
396
397         case LFUN_TAB:
398                 mathcursor->idxNext();
399                 updateLocal(bv, false);
400                 break;
401
402         case LFUN_SHIFT_TAB:
403                 mathcursor->idxPrev();
404                 updateLocal(bv, false);
405                 break;
406
407         case LFUN_TABINSERT:
408                 bv->lockedInsetStoreUndo(Undo::EDIT);
409                 mathcursor->splitCell();
410                 updateLocal(bv, true);
411                 break;
412
413         case LFUN_DELETE_WORD_BACKWARD:
414         case LFUN_BACKSPACE:
415                 bv->lockedInsetStoreUndo(Undo::DELETE);
416                 mathcursor->backspace();
417                 bv->updateInset(this, true);
418                 break;
419
420         case LFUN_DELETE_WORD_FORWARD:
421         case LFUN_DELETE:
422                 bv->lockedInsetStoreUndo(Undo::DELETE);
423                 mathcursor->erase();
424                 bv->updateInset(this, true);
425                 break;
426
427                 //    case LFUN_GETXY:
428                 //      sprintf(dispatch_buffer, "%d %d",);
429                 //      dispatch_result = dispatch_buffer;
430                 //      break;
431         case LFUN_SETXY: {
432                 lyxerr << "LFUN_SETXY broken!\n";
433                 int x = 0;
434                 int y = 0;
435                 istringstream is(arg.c_str());
436                 is >> x >> y;
437                 mathcursor->setPos(x, y);
438                 updateLocal(bv, false);
439                 break;
440         }
441
442         case LFUN_PASTE:
443                 if (was_macro)
444                         mathcursor->macroModeClose();
445                 bv->lockedInsetStoreUndo(Undo::INSERT);
446                 mathcursor->selPaste();
447                 updateLocal(bv, true);
448                 break;
449
450         case LFUN_CUT:
451                 bv->lockedInsetStoreUndo(Undo::DELETE);
452                 mathcursor->selCut();
453                 updateLocal(bv, true);
454                 break;
455
456         case LFUN_COPY:
457                 mathcursor->selCopy();
458                 break;
459
460         case LFUN_WORDRIGHTSEL:
461         case LFUN_WORDLEFTSEL:
462                 break;
463
464                 // --- accented characters ------------------------------
465
466         case LFUN_UMLAUT:       handleAccent(bv, "ddot"); break;
467         case LFUN_CIRCUMFLEX:   handleAccent(bv, "hat"); break;
468         case LFUN_GRAVE:        handleAccent(bv, "grave"); break;
469         case LFUN_ACUTE:        handleAccent(bv, "acute"); break;
470         case LFUN_TILDE:        handleAccent(bv, "tilde"); break;
471         case LFUN_MACRON:       handleAccent(bv, "bar"); break;
472         case LFUN_DOT:          handleAccent(bv, "dot"); break;
473         case LFUN_CARON:        handleAccent(bv, "check"); break;
474         case LFUN_BREVE:        handleAccent(bv, "breve"); break;
475         case LFUN_VECTOR:       handleAccent(bv, "vec"); break;
476
477         //  Math fonts
478         case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
479         case LFUN_BOLD:         handleFont(bv, LM_TC_BF); break;
480         case LFUN_SANS:         handleFont(bv, LM_TC_SF); break;
481         case LFUN_EMPH:         handleFont(bv, LM_TC_CAL); break;
482         case LFUN_ROMAN:        handleFont(bv, LM_TC_RM); break;
483         case LFUN_CODE:         handleFont(bv, LM_TC_TT); break;
484         case LFUN_NOUN:         handleFont(bv, LM_TC_BB); break;
485         case LFUN_DEFAULT:      handleFont(bv, LM_TC_VAR); break;
486
487         case LFUN_GREEK: 
488                 handleFont(bv, LM_TC_GREEK1);
489                 if (arg.size())
490                         mathcursor->interpret(arg);
491                 break;
492
493         case LFUN_MATH_MODE:
494                 handleFont(bv, LM_TC_TEXTRM);
495                 //bv->owner()->message(_("math text mode toggled"));
496                 break;
497
498         case LFUN_MATH_LIMITS:
499                 bv->lockedInsetStoreUndo(Undo::INSERT);
500                 if (mathcursor->toggleLimits())
501                         updateLocal(bv, true);
502                 break;
503
504         case LFUN_MATH_SIZE:
505 #if 0
506                 if (!arg.empty()) {
507                         bv->lockedInsetStoreUndo(Undo::INSERT);
508                         mathcursor->setSize(arg);
509                         updateLocal(bv, true);
510                 }
511 #endif
512                 break;
513
514         case LFUN_INSERT_MATRIX:
515                 if (!arg.empty()) {
516                         bv->lockedInsetStoreUndo(Undo::INSERT);
517                         mathcursor->interpret("matrix " + arg);
518                         updateLocal(bv, true);
519                 }
520                 break;
521
522         case LFUN_MATH_SPACE:
523         {
524                 bv->lockedInsetStoreUndo(Undo::EDIT);
525                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
526                 updateLocal(bv, true);
527                 break;
528         }
529
530         case LFUN_MATH_DELIM:
531         {
532                 bv->lockedInsetStoreUndo(Undo::INSERT);
533                 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
534                 string ls;
535                 string rs;
536                 istringstream is(arg.c_str());
537                 is >> ls >> rs;
538                 if (!is) {
539                         lyxerr << "can't parse delimeters from '" << arg << "'\n";
540                         break;
541                 }
542                 bv->lockedInsetStoreUndo(Undo::EDIT);
543                 mathcursor->handleDelim(ls, rs);
544                 updateLocal(bv, true);
545                 break;
546         }
547
548         case LFUN_PROTECTEDSPACE:
549                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
550                 bv->lockedInsetStoreUndo(Undo::INSERT);
551                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
552                 updateLocal(bv, true);
553                 break;
554
555         case LFUN_UNDO:
556                 bv->owner()->message(_("Invalid action in math mode!"));
557                 break;
558
559
560         case LFUN_MATH_HALIGN:
561         {
562                 bv->lockedInsetStoreUndo(Undo::INSERT);
563                 lyxerr << "handling halign '" << arg << "'\n";
564                 MathInset::idx_type idx;
565                 MathArrayInset * p = matrixpar(idx);
566                 if (!p)
567                         break; 
568                 p->halign(arg.size() ? arg[0] : 'c', p->col(idx));
569                 updateLocal(bv, true);
570                 break;
571         }
572
573         case LFUN_MATH_VALIGN:
574         {
575                 bv->lockedInsetStoreUndo(Undo::INSERT);
576                 lyxerr << "handling valign '" << arg << "'\n";
577                 MathInset::idx_type idx;
578                 MathArrayInset * p = matrixpar(idx);
579                 if (!p)
580                         break; 
581                 p->valign(arg.size() ? arg[0] : 'c');
582                 updateLocal(bv, true);
583                 break;
584         }
585
586         case LFUN_MATH_ROW_INSERT:
587         {
588                 bv->lockedInsetStoreUndo(Undo::INSERT);
589                 MathInset::idx_type idx;
590                 MathArrayInset * p = matrixpar(idx);
591                 lyxerr << " calling LFUN_MATH_ROW_INSERT on " << p << endl;
592                 if (!p)
593                         break; 
594                 p->addRow(p->row(idx));
595                 updateLocal(bv, true);
596                 break;
597         }
598
599         case LFUN_MATH_ROW_DELETE:
600         {
601                 bv->lockedInsetStoreUndo(Undo::INSERT);
602                 MathInset::idx_type idx;
603                 MathArrayInset * p = matrixpar(idx);
604                 lyxerr << " calling LFUN_MATH_ROW_DELETE on " << p << endl;
605                 if (!p)
606                         break; 
607                 p->delRow(p->row(idx));
608                 updateLocal(bv, true);
609                 break;
610         }
611
612         case LFUN_MATH_COLUMN_INSERT:
613         {
614                 bv->lockedInsetStoreUndo(Undo::INSERT);
615                 MathInset::idx_type idx;
616                 MathArrayInset * p = matrixpar(idx);
617                 if (!p)
618                         break; 
619                 p->addCol(p->col(idx));
620                 updateLocal(bv, true);
621                 break;
622         }
623
624         case LFUN_MATH_COLUMN_DELETE:
625         {
626                 bv->lockedInsetStoreUndo(Undo::INSERT);
627                 MathInset::idx_type idx;
628                 MathArrayInset * p = matrixpar(idx);
629                 if (!p)
630                         break; 
631                 p->delCol(p->col(idx));
632                 updateLocal(bv, true);
633                 break;
634         }
635
636         case LFUN_EXEC_COMMAND:
637                 result = UNDISPATCHED;
638                 break;
639
640         case LFUN_BREAKPARAGRAPH:
641         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
642                 //lyxerr << "LFUN ignored\n";
643                 break;
644
645         case -1:
646         case LFUN_INSERT_MATH:
647         case LFUN_SELFINSERT:
648                 if (!arg.empty()) {
649                         bv->lockedInsetStoreUndo(Undo::INSERT);
650                         mathcursor->interpret(arg);
651                         updateLocal(bv, true);
652                 }
653                 break;
654
655         case LFUN_MATH_PANEL:
656                 result = UNDISPATCHED;
657                 break;
658
659         default:
660                 result = UNDISPATCHED;
661         }
662
663         lyx::Assert(mathcursor);
664         //mathcursor->normalize();
665
666         if (//was_macro != mathcursor->inMacroMode() &&
667                                 action >= 0 && action != LFUN_BACKSPACE) 
668                 updateLocal(bv, true);
669         
670         if (mathcursor->selection() || was_selection)
671                 toggleInsetSelection(bv);
672
673         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
674             result == UNDISPATCHED)
675                 showInsetCursor(bv);
676         else
677                 bv->unlockInset(this);
678
679         return result;  // original version
680 }
681
682
683 Inset::Code InsetFormulaBase::lyxCode() const
684 {
685         return Inset::MATH_CODE;
686 }
687
688
689 int InsetFormulaBase::upperY() const
690 {
691         return yo_ - ascent(view_, font_);
692 }
693
694
695 int InsetFormulaBase::lowerY() const
696 {
697         return yo_ + descent(view_, font_);
698 }
699
700
701 /////////////////////////////////////////////////////////////////////
702
703
704 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
705 {
706         if (bv->available()) {
707                 // use selection if available..
708                 //string sel;
709                 //if (action == LFUN_MATH_IMPORT_SELECTION)
710                 //      sel = "";
711                 //else
712
713                 string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
714
715                 InsetFormulaBase * f;
716                 if (sel.empty()) {
717                         f = new InsetFormula;
718                         if (openNewInset(bv, f)) {
719                                 // don't do that also for LFUN_MATH_MODE unless you want end up with
720                                 // always changing to mathrm when opening an inlined inset
721                                 // -- I really hate "LyXfunc overloading"...
722                                 if (display)
723                                         f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
724                                 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
725                         }
726                 } else {
727                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
728                         // formula otherwise
729                         if (sel.find("\\newcommand") == string::npos) 
730                                 f = new InsetFormula(sel);
731                         else
732                                 f = new InsetFormulaMacro(sel);
733                         bv->getLyXText()->cutSelection(bv);
734                         openNewInset(bv, f);
735                 }
736         }
737         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
738 }
739
740
741 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
742 {
743         mathDispatchCreation(bv, arg, true);
744 }
745
746         
747 void mathDispatchMathMode(BufferView * bv, string const & arg)
748 {
749         mathDispatchCreation(bv, arg, false);
750 }
751
752
753 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
754 {
755         mathDispatchCreation(bv, arg, true);
756 }
757
758
759 void mathDispatchMathMacro(BufferView * bv, string const & arg)
760 {
761         if (bv->available()) {
762                 if (arg.empty())
763                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
764                 else {
765                         string s(arg);
766                         string const s1 = token(s, ' ', 1);
767                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
768                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
769                 }
770         }
771 }
772
773
774 void mathDispatchMathDelim(BufferView * bv, string const & arg)
775 {          
776         if (bv->available()) { 
777                 if (openNewInset(bv, new InsetFormula))
778                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
779         }
780 }          
781
782
783 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
784 {          
785         if (bv->available()) { 
786                 if (openNewInset(bv, new InsetFormula))
787                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
788         }
789 }          
790
791
792 void mathDispatchInsertMath(BufferView * bv, string const & arg)
793 {
794         if (bv->available()) {
795                 if (arg.size() && arg[0] == '\\') {
796                         InsetFormula * f = new InsetFormula(arg);
797                         if (!bv->insertInset(f))
798                                 delete f;
799                 } else
800                         mathDispatchMathMode(bv, arg);
801         }
802 }
803
804
805 void mathDispatchGreek(BufferView * bv, string const & arg)
806 {          
807         if (bv->available()) { 
808                 InsetFormula * f = new InsetFormula;
809                 if (openNewInset(bv, f)) {
810                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
811                         bv->unlockInset(f);
812                 }
813         }
814 }          
815
816